SLP | 40 - φ40mm 60 - φ60mm (POM material) | M10 - Airwayφ10mm M20 - Airwayφ20mm M30 - Airwayφ30mm | Y - Lateral exhaust+fitting S - Vertical exhaust+silencer T - Vertical exhaust+pagoda fitting
| Nil- Without vacuum breaking function D - With vacuum breaking function | F1 - 55×6mm F2 - 84×9mm F3 - 63×11mm F4 - 95×11mm F6 - 110×13mm
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